All Questions
45 questions
2votes
2answers
250views
Infinite 2d block world (2d minecraft) with chunk system, physics and slower loading
Follow up from this question. I have added a slower loading system that allows the main game to run faster but I still get under 30 fps with caves even if I allow the player to outrun the loading. I ...
- 241
3votes
5answers
2kviews
How do I speed up this simulation program
This is a program to solve a differential equation numerically using Euler method. As of now, it is very slow, and I need to run 10000 Monte Carlo simulations. The differential equation is called ...
3votes
1answer
103views
3ph 2l inverter simulation with SPWM
Here is a code for a simple model of three phase two level inverter with constant DC voltage source and three phase RL load. ...
- 51
4votes
2answers
174views
NumPy script to convert BGR to HSL and back
This is a NumPy script that converts BGR arrays to HSL arrays and back, without using OpenCV. Input and output values are arrays of 3 dimensions with values ranging from 0 to 1, the shape of the ...
- 3,406
3votes
1answer
162views
Solve an option pricing PDE in Python - Part 1 [closed]
The Github repository NM-Heston solves call option prices under the Heston 2-factor model using ADI splitting schemes. I am adapting the code to price options under the 3-factor Heston-Hull-White ...
- 111
1vote
1answer
141views
Further optimizing the ISING model
I've implemented the 2D ISING model in Python, using NumPy and Numba's JIT: ...
3votes
1answer
136views
Create a forecast matrix from time series samples
I would like to create a matrix of delay from a time series. For example, given y = [y_0, y_1, y_2, ..., y_N] and W = 5 I need to create this matrix: ...
- 133
4votes
1answer
105views
Dataframe transformation to numpy ndarray takes ages to complete
I would like to transform my dataframe into an array of fixed-sized chunks from each unique segment. Specifically, I would like to transform the ...
- 143
3votes
1answer
835views
Using Numba works slower than not using it for my Python code
I thought this community is better place to ask my question so I ask here rather than at StackOverflow. Recently, I learned that Numba can make Python function ...
- 41
5votes
1answer
202views
compare between two labels /objects -dominance rules
I have a function dominates() that seems to be the bottleneck of my algorithm (after profiling it). the function is as follows: ...
- 161
2votes
1answer
69views
Resource reservation system
I'm using a function to determine if resources can be used again or not. This is the numpy array I'm using. ...
1vote
1answer
50views
Pandas : Apply Merge operations from a column
I have a data frame, which contains three columns: ...
6votes
1answer
124views
Code optimisation: Converting dataframe to numpy's ndarray
I am working with a dataframe of over 21M rows. ...
- 161
1vote
1answer
114views
Getting the square of the difference between many points in a NumPy array
I have an array with 40000 numbers that are floats or ints. I need to perform some calculation. To do this I have used nested for loop, but the code is really slow. Can I use something instead of ...
- 27
4votes
1answer
168views
Code for wireless communication work
I need some pointers on how I can speed up my code, as of now it is incredible slow for larger inputs. The way the code works is that the file Loc_Circle_50U.txt contains the true locations of 50 ...
- 143
